The most pleasant months of the year for Alto Bonito Heights are November, February and March. In Alto Bonito Heights, there are 5 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for Alto Bonito Heights with an average high temperature of 99.1°, which ranks it as one of the hottest places in Texas. December is the snowiest month in Alto Bonito Heights with 0.1 inches of snow, and no months of the year have significant snowfall. The humidity here has been described as stifling in July and June.